*{
	box-sizing: border-box;
}
#nav-bottom-fixed{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: gainsboro;
	
}
#nav-bottom-fixed::after{
	content: "";
	display: block;
	clear: both;
}
#nav-bottom-fixed>div{
	text-align: center;
	width: 20%;
	height: 50px;
	font-size: 13px;
	/*line-height: 50px;*/
	border: 1px solid white;
	float: left;
}
#nav-bottom-fixed i{
	display: block;
	width: 100%;
	height: 30px;
	background-position:center center;
	background-repeat: no-repeat;
	background-size:20px 20px;
}

















